William koch



(No Model.) 5 Sh eetsSheet 1.. W. KOCH.

MACHINE FOR PRINTING AND ADDING CHECKS. No. 367,345. Patented July 26, 1887.

661?" [rave/ruler wmkw Ruck N PET'ERS. Fholo-lnnagraphur, Washington. D. c.

(N0 Mddel.) 5 Sh ets-Sheet 2 W. KOCH.

MACHINE FOR PRINTING AND ADDING CHECKS.

No. 367,345. Patented July 26, 1887.

13 /i U n fll I fit 49 6'0 38 Inventor.-

5 Sheets-Sheet 3.

W. KOCH.

MACHINE FOR PRINTING AND ADDING CHECKS.

(No Model.)

Patented July 26, 1887.

Ivwenior N4 PETERS, Pholu-l iihographer, Washmflon, D. C.

(No Model.) 5 Sheets-Sheet 4 W.' KOCH.

MACHINE FORDPRINTING AND ADDING CHECKS. No. 367,345. Patented July 26,1887.

N. PETERS. Pnowumw m m-r, Washingion, n. I;

5 SheetsSheet 5 (No Model.) I

W. KOCH.

MACHINE FOR PRINTING AND.ADDING CHECKS.

Patented July 26, 1887.:

U ITED STATES PATENT OFFICE.

' WILLIAM KOCH, on NEW YORK, NY.

MACHINE FOR PRINTING AND ADDING CHECKS.

SPECIFICATION forming part of Letters Patent No. 367,345, dated July 26, 1887 Application filed July 13, 1886. Serial No. 207.884. (No model.)

T aZZ whom, it may concern.-

Be it known that 1, WILLIAM K0011, of the city, county, and State of New York, have invented certain new and useful Improvements in Machines for Printing and Adding Checks; andI do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, making a part of this specification, in which- Figure 1 is a frontelevation of my improved check printing and adding machine; Fig. 2, a vertical longitudinal section in line 00 0c of Fig. 4; Fig. 3, a rear elevation thereof with plate and inkingpad removed; Fig. 4, a vertical cross-section in lineg y ofFig. 2; Fig. 5, a detached View of the mechanism for controlling the movement of the adding and registering wheels; Fig. 6, a detached elevation of the cam-disk and a portion of the lever-arm controlling the inking-pad; Fig. 7, a detached view in elevation of the disk controlling the device for locking the indicating and actuating levers; Fig. 8, side and end views, respectively, of the cam controlling the mechanism for actuating the pawl and lockingtooth in the last one in the series of adding-wheels; Fig. 9, a detached view in elevation of the knife for cutting the checks, illustrating the manner of operating the same. Figs. 10 and 11 illustrate the movements of the mechanism for actuating the adding-wheels; Fig. 12, a detached View in elevation of two of the adding and registering wheels with the pinion the second registering-wheel is locked.

actuating the same, illustrating their movement; and Fig. 13, a similar view of the same wheels,illustrating theindependent movement of the pinion and first registering-wheel when Fig. 14 is a detached View illustrating the mechanism i'or operating the reciprocating bar actuating the feed-rolls.

Similar letters indicate like parts in all of the figures.

My invention relates to improvements in that class of machines designed for printing checks of various denominations and for registering the sum of the value of each check printed, added to that of the checks previously printed in the machine, and has for its object a simplification of the mechanism and greater accuracy in its operation.

In the accompanying drawings, A, Fig. 2, represents one of a series of indicating-levers, each of which operates to adjust a type-wheel for printing any one often numbers on a check, and to simultaneously set a guard to govern the adding mechanism, so that the amount printed shall be added thereby to the sum already registered by said mechanism, and also to adjust an indicating-wheel in the front of the machine for the'purpose of displaying in clear characters the value of the check to be p ri ntcd. The capacity of the machine to print checks is determined by the number of these indicating-1evers employed. Vith twolevers and the corresponding type-wheels any check in value from one to ninety-nine cents may be printed, and with four, checks in value from one centto ninetynine dollars may be produced.

As the indicating-levers all operate alike, a description of one of them will suffice for all.

The levers A A are all pivoted upon afixed transverse shaft, 13, which is properly mounted in the frame of the machineparallel with the front face thereof. The outer or handle end of each lever projects out through a vertical slot, A, in said front face. For convenience of reference to an index formed on the margin of each slot, as shown in Fig. 1, the slotted face of the case is bent outwardly in an are having the shaft B as a center. Each mar ginal index consists of figures corresponding with those on the typewvheel to be operated by the particular lever which plays in the adjacent slot.

A segmentalplate, O, is secured to the arm of the lever within the case, and the curved edge of this plate 0 is serrated, so as to present a series of notches, d d, equal in number to the index-figures upon the curved face of the case, and these notches are separated by angular projections e e, having sharp apices, as shown in Fig. 2. A dog, F, is pivoted upon a rod, G, extending parallel with the shaft B, and the tooth F of the dog, made sharp and angular, engages the notches d d. A spring, H, is fitted to bear upon the dog, and by its pressure automatically force it into engagement with the serrated edge of the segment 0. The beveled faces of the sharp projections e e, in opposition to the counterpart beveled faces of the tooth F of the dog, will allow the segment 0 to be carried in either direction by a movement of the lever A, notwithstanding the engagement of the dog therewith, while the pressure of the spring H upon the dog will operate, so soon as pressure is removed from the lever, to force the lever automatically into positive registry with the nearest figure on the index, the opposed beveled faces of the dog and segment preventing absolutely the lever from resting midway between the figures.

The lever A is united beyond its pivotal connection with the shaft 13 to a segmental rack, I, adapted to engage, first, a pinion, J, (see dotted lines, Fig. 2,) secured to the side of a type-wheel, K, and, second, a partiallytoothed wheel, L, (see Fig. 5,) carrying a disk, M, by means whereof, as will be hereinafter explainechthe movements of the adding-wheels are controlled.

The type-wheel K (in common with all the type-wheels in the machine) revolves upon an arbor, N, (see Figs. 2 and 4,) mounted between the side bars of a frame, 1?, which is pivoted upon the shaft B, so as to oscillate about the axis of the segmental rack I, by which the pinion J of the wheel is engaged. These side bars are united at their outer ends by a crossbar, I.

Two vertical arms, 0 0, (see Figs. 3 and 4-,) are pivoted upon the arbor N outside of the frame I P, and are united by a cross-bar, 0, upon which a cam, Q, fixed upon and revolving with a parallel shaft, Q, is brought to bear to force down the frame and type-wheels, the frame and wheels being positively elevated, as required, by an engagement of said cam with a frietionroller, S, upon a stud, S, projecting from a lateral bar secured to one of the arms 0, as shown in Fig.3. The arms 0 O are suitably slotted to allow the passage.

through them of the journal ends of the camshaft Q. It will be observed that if, when the frame F is normally at rest in its elevated position, the lever A, actuating the segmental rack I, be moved in either direction the typewheel K will be caused thereby to revolve, so as to bring a type corresponding to the particular character on the index upon the margin of the slot A opposite to which the lever A may be stopped into a position slightly below the horizontal plane of the axis of the wheel, and that when the lever A and rack I are fixed the downward movement from its normal position of the frame 1?, carrying the type-wheel K, will, by reason of the engage ment of the pinion J of the type-whcel with the rack, cause a partial revolution thereof to the extent of nearly a quarter-turn, the wheel being in like manner turned back again as the frame rises; hence, after a type has been selected in manner as described by the movement of the lever A, the movement of the frame 1? will carry said type into line of print at a point immediately under the axis of the wheel. To indicate and display clearly the character or denomination of the type which, by a movement of the lever A, has thus been selected to determine the denomination of the check which will issue from the machine next after said movement of the indicating-lever, and whose amount is to be added in the machine, a large indicatingwhcel, R, is mounted in the upper portion of the casein connection with each indicating-lever A upon a transverse shaft, It, fixed parallel with the face of the machine. Theseveral numerals carried by the type-wheel are also marked upon the face of the indicatingwheel, and by its rotation are severally brought to view through a suitable slot, t, in the case. A small pinion, T, is secured laterall y to the wheel R, and a segmental rack, T, upon the end of an arm, U, pivoted upon a rod, U, at the rear of the case, is made to engage said pinion. (See Fig. 2.) This arm U is coupled with the lever A by a connectingrod, \V, and the parts are so proportioned and arranged as that a full stroke of the lever A will produce a complete rotation o'fthe wheel R, and the number on the periphery of the wheel It brought to view through the slot It" will in all cases correspond with the marginal index-number opposite to which the lever is arrested, and consequently with the number on the type-wheel K brought therebyinto position for print.

After the proper number for print has been selected and brought into position by a movement of the lever A, the printin of the check and the movement of the adding mechanism to register the amount thereof is produced by the revolution of a crank, 1, (see Figs. 1 and 3,) attached to one end. of a shaft, 2, mounted in the frame of the machine parallel with the shaft B, but above and at the rear thereof, as shown in Figs. 2 and S. This shaft 2 is geared by means of a train of toothed wheels, 3, 4, and 5, mcdiately to the shaft Q, carrying the cam Q, by which the type-wheel K is forced downto produce its impression, the toothed wheels being so proportioned as that one complete turn of the crank will force down the typewheel to produce an impression and withdraw it to its first position. Upon said shaft :5 are mounted a series of cam-wheels, 9 9 9, each of which is made to operate at each complete revolution of the crank one of the registeringwheels in the adding mechanism of the machine by means of an oscillating lever, 6, pivoted upon a shaft, 7, and whose outer arm is coupled by a slotted bar, 8, to one of said camwheels 9, the bar 8 being made to engage the periphery of the cam at opposite points by means of friction-rollers l0 10 on suitable studs. The opposite end of each lever 6 carries a segmental rack, 11, to engage teeth in the periphery of a partially-toothed wheel, 12, turning loosely on a fixed shaft, 13, and from which projects radially an arm, 14, carrying on its outer end a pawl, 15, pivoted thereto to drop into engagement with the teeth of a wheel, 16, mounted to rotate loosely on the hub of the wheel 12 in close proximity to the pawlnrm, and which gears with the teeth of one of a series of pinions, 17, by which the several regis- IIO marked, as shown in Figs. 12 and 13.

tering or adding wheels Y Y Y are actuated. These registering or adding wheels Y Y are toothed to engage the pinious 17 17, and are each encircled by a central peripheral band, 65, upon which theappropriate numerals are The movement of each adding-wheel by means of a complete revolution of the'crank 1 in manner as just described is limited and controlled inaccordanee with the position of, its appropriate indicatinglever A, and conse;

quently of the type-wheel K, and in agreement with the denomination of the check to be issued, by means of the disks M M, carried by the wheels L L, and'actuated, as hereinbefore described, each by a segment, I, carried -by the lever A. Each of the wheels L is mounted to rotate loosely parallel with the toothed wheel 16 upon the hub on the opposite side of the wheel 12, which carries one of the pawl-arms let. The diameter of each dish M is slightly greater than that of its proximate wheel 16, and the pawl 15 engaging said wheel is made wide enough to overlap the periphery both of the disk M and wheel, and, resting upon the disk, is prevented from engaging the teeth of the wheel, excepting where the periphery of the disk-is cut away or reduced sufliciently in diameter to permit of such an engagement. The disk is thus reduced in diameter for a distance (see at m in, Figs. 2 and E sufficient to permit the pawl to engage and carry the wheel 16 far enough to produce a complete rotation of the registering-wheel Y geared thereto; but by turning the disk M independently of the wheel 16 the duration of the engagement of the pawl with said wheel may be reduced until it shall be wholly prevented. This independent rotation of each of the disks M M M is produced by the engagement of the segment I on the lever A with the toothed wheel L, carrying the disk M, (see Fig. 5,) and the parts are so adjusted as that when the lever A is at zero the disk M will wholly prevent an engagement of the pawl, while when the lever is at its highest point, or 9, the pawl 15 may engage the wheel 16 during its full stroke. So soon as the pawlarm lethas completed its stroke, a dog, 18, projecting from its extreme outer end (see'Figs. 2, 10, and 11) is brought into engagement with the pinion l7, actuating the registering or adding wheel Y to lock the'same, thereby preventing any independent movement of said adding-wheel, or its being carried too far by its momentum in turning rapidly.

Each registering-wheel in the adding mechanism admits of movement independently of the other registering-wheels, and each indicating-levcr A is made to govern and bring into play that one of the several registering-wheels which indicates the denominations controlled by said lever, so thatavhile the units-wheel is turned by the movement of the first lever by which the type-wheel for one cent up to nine is set, the tens-wheel is turned by the movement of the lever which sets the type-wheel indicating values from ten up to ninety-nine cents, the hundreds-wheel by the lever for values from one hundred to nine hundred and ninety-nine cents, &c.

At the same time that each registering or adding wheel admits and receives an independent movement, yet each complete rotation of the units-wheel will produce one move of the tens-wheel, and each complete revolution of the tens-wheel will produce one move of the hundreds-wheel, &c. This end is accomplished by fitting all the pinious 17, by which the several addingwheels Y are actuated, so that they will turn loosely and independently upon a common shaft, 19,- their proper registry each with its appropriate wheel being obtained by means of collars or extended hubs t 15, Figs. 4, 12, and 13, upon said shaft and maintained by a spiral spring, 20, encircling the shaft at one end thereof, so as to exert a constant lateral pressure upon the pinions, holding them closely in contact with each other longitudinally upon the shaft. Each pinion 17 is, as hereinbefore described,

geared to a wheel 16, which is actuated by a pawl 15, governed as to the extent of its engagement with the wheel by a disk M, actuated by the movements of that one of the levers A A which is appropriate to that particular adding-wheel, a complete stroke or movement of the pawl being likewise produeed at each complete rotation of the shaft in manner as described. Each pinion 17 thus rotating freely upon the shaft 19 and left free to have a longitudinal play on said shaft under control of the spring 20, has one tooth, 8, (see Fig. 12,) made wider than the rest, to project laterally from the face of the pinion far enough to engage the teeth 66 of the next adjacent adding wheel of higher denomination, so that at each complete revolution of the pinion producing a complete revolution of the one adding-wheel to which itis constantly geared it will cause a single move of the next adding-wheel by means of this one wide tooth. To prevent a dead-lock of this next wheel during its engagement by this one tootli s when the pinion carrying said tooth comes to a rest at the moment of such engagement, the

ends of the teeth 66 of each addingwheel Y,

which are adjacent to said wide tooth s, are beveled, as shown in Figs. 12 and 13, so that if the adding-wheel be turned independently of the tooth the beveled ends of the teeth 66 will operate successively as wedges against the opposite end of the tooth s to force it and the pinion which carries it longitudinally on its axial shaft toward the spring 20, as shown in Fig. 13, this yielding movement being permitted by reason of said spring, while the relative position of the pinion carrying the tooth s with reference to the adding-wheel which it governs, as well as of the tooth itself with reference to the addingwheel being turned, will remain meantime unchanged.

The pawl-levers by which each of the adding-wheels is independently actuated are so adjusted upon a common shaft, 13, as that, while each pawl is caused to make a complete stroke back and forth at each revolution of the printingcrank 1, their movement shall be timed to follow in succession, so that some of the pawl-arms shall always be in position to lock the train of addingwhcels. For example, when the machine is at rest and the crank locked, the pawl-arms 14: and 21 of the units-wheel and tensavh'eel are both thrown back to their first position, as shown in Fig. 10, the arm 21 being concealed in said figure by the arm 14-, the two being in the same position, leaving these two wheels unlocked, while the pawl-arms 22 and 23, actuating the hundreds and thousands wheels, re main in their foremost or second position, so that the dogs thereon are in engagement with the pinions,actuating said wheels tolock them. Upon turning the actuating crank 1, and thereby rotating the shaft 2, the pawl'arm 14 is carried forward its full stroke and locks the units-wheel, and the pawl arm 22 of thehundrcds-wheel is thrown back to its first position by the side of the arm 21 of the tenswheel, (see Fig. 11,) the arm 22 being eoncealed in said figure by the arm 21, the two being in the same position, with the latter in front of the former, the arms 21 and 23meanwhile remaining stationary. During the next quarter-turn of the crank the pawl-arm 21 of the tens-wheel moves forward its full stroke and locks the tens-wheel,and the pawl-arm 23 of the thousands-wheel drops back to its first position, the pawl-arms 14 and 22 remaining meantime stationary. During the third quarter-turn of the crank the arm 14 drops back to its first position and the arm 22 moves forward its full stroke and locks the hundredswheel, and as the crank reaches its first position on the last quarter-turn the arm 21 drops back to its first position and the arm 23 moves forward to lock the thousands-wheel. Thus each arm makes a full stroke back and forth at each revolution of the crank 1 and shalt 2, and while any two of the arms are moving the other two remain stationary, one of them in look with the adding mechanism. The pawlarm 23 of the thousands-wheel is made, however, by aspecial form and arrangement of its actuating-cam, to unlock the thousands-wheel so soon as the crank begins to turn, and to leave it unlocked until the crank has nearly completed its revolution. This temporary release of the thousands-w heel is effected in order to allow it to be free to turn whenever the sum of 9999 being indicated on the four wheels, an addition is to be made thereto. The cam movement by which this release is effected when the crank begins its movement, and a lock of the thousandswheel is secured when themovement of the crank is completed, is illustrated in Fig. 8 of the drawings. The periphery of the ca1n-wheel 24 is fashioned to form'two bearing-surfaces,1'1". The two friction-rollers 25 and 26, which engage the cam-wheel, are of unequal width, the one being made to bear on the inner surface, 1', of lesser circumference, and the other and wider one on the surface 1- of larger circumference. These cams are so shaped, as illustrated, as to allowthe pawl-arm to drop suddenlyaway far enough to release its look as the crank begins to turn, and then to support itin this position until such time as it is required to drop back to make its full stroke.

The particular type of the desired denomination to be printed upon a check having been brought toa position slightly below the hori zontal level ofits pivotal axis by the rotation of the type-wheel through a movement of its index-lever A to the appropriate numeral on the marginal index, is inked, when in this po sition, at the first movement of the crank 1 by means of a swinging arm, 28, (see Fig. 2,)suspended from a transverse bar or pin, 29, in the upper part ofthe frame,and which carries upon its lower end an inking-pad, 30, which admits of being readily detached and replaced. The swinging pad is drawn automatically forward into contact with the type by means of a spring, 31, (see Fig. 6,) and it is thrown back away therefrom by means of a toe, 32, projecting from the arm 28 into contact with the periphery of a cam-wheel, 33, on the shaft Q. A noteh,f, in the periphery of this wheel 33 (see Fig. 6) permits the toe and arm to swing inward for an instant at each rotation of the wheel far enough to allow the pad to strike and ink the type, and the cam-wheel is so adjusted as that this movement of the pad will occur soon after the crank 1 begins to turn, and before the cam Q,by which the type-wheel is forced down and caused to turn and make its impression, comes into play.

The type-wheels are borne down upon a transverse bed-plate, 34, in the base of the machine to make their impression, and a strip of paper from which the checks are to be cut is fed forward between the type-wheels and bedplate by a pair of feedrollers, 35 35, (see Fig. 4,) mounted at the rear end of the bed-plate 34 within the case of the machine. One of these rollers is driven intermittentlyby means of a pawl, 36, (see Figs. 2 and 3,) engaging a ratchet, 37, on the roller, the pawl being mounted upon an arm, 38, projecting from a pinion, 39, which gears with a rack, 40, upon a vertically-reciprocating bar or red, 41, whose upper end is jointed to the outer end of a le ver, 60, Figs. 2 and 3, which is oscillated by means of a slotted plate, 61, embracing the shaft 2. This plate is operated by a cam, 62, on said shaft, its bearing on the cam being obtained by means of friction-rollers 63 (53. The adjustment of these parts is such as that the feed movement is made to take place during thelast quarterturn of thecrank,and after the check-slip has been printed.

So soon as the feed movement has been of fectcd a knife, 4L2, mounted in the opposite end of the case, is brought into play to sever the printed check from the strip. This knife is pivoted at one side of the guideway for the strip, in position to extend transversely across it, (see Fig. 9,) and it is operated by means of a connecting-bar, 43, pivoted to the knife, and whose upper end is fixed to the band upon an eccentric wheel, 44, secured'upon the crankshaft 2, the eccentric wheel being so adjusted upon said shaft as that the knife is, closed upon the paper and opened again just before the crank completes its revolution and returns to its first position.

The several indicating-levers A A A are locked so soon as the crank is moved from its first position, and are kept locked until the crank has made a complete revolution and returned to said first position by means of a shaft, 50, (see Fig. 2,) mounted in the frame of the machine parallel with the shaft G, upon which the dogs F F, engaging the serrated segment of'each lever A, are pivoted, and a little below the same. From this shaft 50 a series of toes, 51, are made .to project. Each toe bears against an arm, 52, projecting from each dog F below its pivotal bearing, and serves thereby to hold the dog in engagement with the notches on the segment 0. These toes 51 51 are, however, drawn back from their contact with the arms 52 52 of the dogs F F by a partial rotation of the shaft 50, which is produced at the moment the crank attains its first position by means of a cam-wheel, 53, on the crank shaft 2 (see Fig. 7) actuating a connecting-bar, 54, which extends from the cam-wheel to a crank-arm, 55, at one end of said shaft 50, as shown in Fig. 2 of the drawings. The engagement of the connecting bar 54 with the cam-wheel is produced by means of a friction-roller, 56, Fig. 7, on the bar bearing in the customary manner on the periphery of the cam wheel.

I claim as my invention-- 1. The combination, with a pivoted vibrating lever in a cheek-machine, of arms pivoted to vibrate upon the axis of said lever, a cam engaging said arms to support and to actuate them, a type-wheel pivoted in bearings in said arms to rotate between them, a pinion attached to the type-wheel, and a toothed segment secured to the lever to engage the pinion of thetypewheel, whereby when the supportingarms of the type-wheel are at rest and the lever is moved the typewheel will be rotated to a degree corresponding to the movement of the lever, and when the lever is fixed and the arms are moved the type-wheel will be further rotated to a degree corresponding to their movement, all substantially in the manner and for the purpose herein set forth.

2. The combination, in a check-machine; of an indicating-lever, a type-wheel journaled in arms pivoted upon the axis of said lever, a

pinion secured to the type-wheel, a segmental rack on the lever geared to said pinion, a printing-crank, mechanism, substantially as described, whereby the type-wheel is made to produce an impression at each revolution of the crank, a reciprocating pawl actuated, substantially as described, by the printing-crank at each revolution thereof, a toothed wheel engaged and actuated by the pawl, an addingwheel geared to said ratchet-wheel, a controlling disk or segment governing the engagement of the pawl with theratchet-wheel. andatoothed by which the type-wheel, adjusted as described, is caused to make its imprint, so that eachsuccessive movement of the adding-wheel shall beproportional to the numerical value of the particular number synchronically imprint-ed by the type-wheel, all substantially in the manner and for the purpose herein set forth. 8. The combination, with an indicating-lever in a check-machine,and a toothed segment attached to said lever and having the pivotal axis thereof as its center, of a type-wheel pivoted to rotate between arms vibrating about said pivotal axis, a pinion attached to said type-wheel to engage said segment, a second toothed wheel engaging said segment, a disk carried by said wheel of varying diameter, a third toothed wheel of a diameter equal to the major diameter of the disk mounted to rotate loosely upon the same axis as the second, and a pawl carried by an arm vibrating upon the same axis to overlap and engage the periphery both of the-disk and third wheel, all substantially in the manner and for the purpose 5. The combinatiomwith the printing-crank and the indicating-lever in a check-machine, of a serrated segmental rack attached to the indicating-lever, a pivoted dog engaging said rack, a toe projecting from an axial shaft to lock the dog in its engagement with the rack,

a crank upon said axial shaft, an eccentric wheel made to rotate by the printing-crank,

and a connecting-bar pivoted to the locking-' crank and extending thence into engagement with said eccentric wheel, whereby when the printing-crank is at rest in its first position the dog is unlocked and the indicatinglever left free, but otherwise the lever is locked by the dog, substantially in the manner and for the purpose herein set forth.

6. The combination, with an intermittentlyrotating type-wheel in a check-machine, of an arm suspended to vibrate in front of the wheel, an inking-pad upon said arm, a spring operating to draw the pad automatically against the periphery of the wheel, a cam rotating above the type-wheel against the pad-arm, and a projection from the arm bearing against the cam-wheel, substantially in the manner and for the purpose herein set forth.

7. The combination, with the units, tens, hundreds, and thousands adding-wheels in a series, and with the several pinions actuating said wheels, of a toothed wheel gearing into each pinion, a pawl swinging upon an arm pivoted loosely upon the axis of said wheel to engage the teeth thereof, a dog fixed upon the end of the pawl-arm to engage and lock the pinion when the arm has completed its for ward stroke, similar cams upon a rotating shaft actuating mediately the pawl-arms of theunits,tens,and hundreds wheels and formed to produce the required oscillation of said arms and to hold each into position to maintain a lock of its dog upon the pinion of its adding-wheel until a complete reverse movement of the pawl is required, and a double cam upon the same shaft made to actuate thepawl arm by which the thousands-Wheel is operated and formed to produce the required oscillation of said arm and to release the engagement of its dog with the pinion of its addingwheel so senses soon as the adding-wheel has ceased to move, whereby the units, tens, and hundreds wheels are locked when at rest and the thousandswheel left unlocked so soon as its inovementis completed, substantially in the manner and for the purpose herein set forth.

8. The combination, in an adding-machine, with a series of registering-wheels formed with cogs or teeth beveled at one end, of a series of pinions eaeh geared to one of said wheels and provided with a laterally-projecting tooth to engage the next adjacent wheel, an axial shaft upon which said pinions are mounted to rotate freely and slide longitudinally, and a spring bearing laterally against the pinions in the line oftheir axis, whereby, if the single tooth be brought into engagement with said registering-wheel when the wheel is fast, the pinion carrying said tooth will move longi tudinally upon its axial shaft toward thespring sutfieiently to permit of a rotation of the pinion independently of the registering-wheel, substantially in the manner and for the pun pose herein set forth.

In testimony whereof I have signed my name to this specification in the presence of two snbscribing witnesses.

WILLIAM KOCH.

XVitnesses:

S. A. s'iuivnns, A. N. Jnsnnnrx. 

